Unfortunately, many 3DS owners have been reporting system crashes when attempting to purchase one of these mini-games. From what we can gather, this only seems to impact European users — we tested the process on our Japanese 3DS and experienced no problems. We've also noticed that the crash happens at different points — sometimes as soon as you enter the StreetPass Plaza store, and other times when you're at the point of purchase. This suggests that the fault lies with Nintendo's European servers, and not with the application itself.

Thankfully, Nintendo is aware of the problem and is currently working on a solution. Speaking to Eurogamer, a Nintendo UK spokesperson said:

We are aware of some reports of technical difficulties which are occurring and are currently investigating the situation.

Have you been able to download any of the games yet, or are you also falling foul of this crash bug? Drop a comment to tell us.

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I have exactly 1800 Miis in my plaza, and the Salesbunny crashes as soon as I say I'll buy the combo-pack, it's very annoying.I hope they squash this bug soon, if it's a problem with the Streetpass Mii Plaza app or the 3DS 6.0 firmware itself.I suppose it is worth testing if other games with similar DLC/update menus have this problem, like Fire Emblem Awakening, Pokémon Mystery Dungeon Gates to Infinity, New Super Mario Bros 2 or Animal Crossing New Leaf.

Mine crashes and reboots as soon as I open StreetPass Mii Plaza. Pity, I just received 3 StreetPasses immediately before the update began. :-/
Incidentally, mine has between three and four hundred Miis but, get this, exactly 666 StreetPass hits. Make of that what you will...

Similarly, is anyone actually able to access the infamous Animal Crossing Image Share site from the 3DS browser? Keep getting errors on that one, too...

NA Needs This Plaza, Update But it Seems like Nintendo Needs To Fix This Big Bug Problem From some people getting it in Eshop and i Guess Plaza now and Some people Can Be getting this From Games So i belive they just need to Send another update and Fix this problem before miiverse or Flipnote Comes to 3ds.

I've loved what they've done in Mii plaza so far, and some paid DLC sounds like it could be fun.

I've seen people complaining about it, but if it bothers you, just don't buy it. Can't expect for everything to be free. Puzzle swap and find mii are amazing, and in my opinion would have been worth money too.

@KnightRider666Really? I'd much rather have one of the fundamental and (personally) most-used features of the console actually function. Not even for the new stuff: I was one piece away from completing my Pilotwings puzzle. One piece...

Mine reboots as soon as I try to purchase anything, and the Combo Pack is not even listed with the Sales Bunny... My population is 713 (with invitations, of course) and few of them got any hat somehow. Oh well, that probably saves me from spending my money on something I don't need at the moment.

@KifaThe sales bunny only mentions the combo-pack when you immediately say that you'll buy the game, rather than learning about the selected game.It's a massive oversight on Nintendo's part that could result in many people buying the four games individually, possibly not ever learning there was a combo pack.

@RupeeClock Well, that is silly-willy-nummy-nums. Nintendo clearly has little knowledge on how to design a logical way to buy stuff... Still, it does not work at all for me, one way or the other, so I'm waiting for the fix anyway. Maybe they will figure that out by the time...?

I'm surprised at how fast (talking relatively to other companies) Nintendo addresses those problems.

But what does the Mii Plaza population and their hats have to do with the crashes (according to the first comments), technically speaking? Which functionality is failing, and what does it do? Interesting...

It doesn't relate directly to anything sever side, as mine will crash whether I have an internet connection or not.

Out of three UK 3ds's, one has the problem. It will crash when I ask the sales bunny about any new plaza game (as he is about to speak), or when I go up six lines through the Mii's I've street passed.

My guess would be that there are certain Mii's that the new update struggles with, which would explain it crashing at different points for people.

I've also experimented with formatting different sd card sizes and so on, which doesn't make a difference - crashes in exactly the same way.

Also, has no one else noticed that the new Mii plaza update is for firmware 6.0.12E or 6.0.12J, while the US version without is 6.0.11U - 11 vs 12, and that number seems to denote feature level rather than firmware level.

@KnightRider666I doubt I've lost all the data (God, I hope not) but I'm pretty sure yesterday's StreetPasses won't register and I know one of them had that last required puzzle piece. Won't find out until I regain access to the Plaza. :-/

@grayadamson: I'll keep my fingers crossed for you. I'd be cursing Nintendo if I lost all my Mii plaza data. I've had a 3DS since day 1. I don't think he had anything to do with it btw. I highly doubt he even exists!

ALso having issues, 2 3DSXL (blue and silver). both updated successfully, both able to browse the plaza, including 300+ miis; with and without big hats. I managed to get as far as the rabbit connecting to the internet to check the prices yesterday, I even managed once to get to the purchase page of the bundle, but it crashed when trying to add funds. since then it's crashing as soon as the game is selected; (this is how it behaves if there is no internet connection) this suggests that it's having difficulties reaching the European servers, and possibly it's timing out too early.

Updated 2x 3DS (one red, one aqua) for my boys and bought all games combo for both and everything went ok. Updated my red 3DS XL, update went ok, but Mii Plaza crashes everytime I try to buy the new games. It crashes even though I'm not connected to internet, so it's a software error, NOT server issue!

Oh, and it's not dangerous in any ways to update, you won't lose anything etc etc. Only problem that occurs is Mii Plaza crashes when you try to enter one on the games in the Mii Plaza Shop.

I have a Japanese 3DS and it crashes as well. It crashed even before I downloaded or tried to download any new mini games. For me, all the crashes happened when I browsed Miis in my plaza. I'm sure this is a huge issue for this update, and can understand why Nintendo didn't include it in NA's update.

When updating Mii Plaza, an error came up saying that the 3DS couldn't access the SD card. Now all of my DLC is missing and the 3DS won't recognize the card. I can mount it in Windows so I'll try to back it up and format as @RupeeClock mentioned.